Signature


Professional Professional(TS)

In the [Signature/Seal] menu’s [Signature], you can apply a signature to the open PDF.

CONTENTS
The necessary preparations and application procedures may vary depending on the product edition.

Applying a Signature

This section explains how to apply a signature using “SKYCOM Standard Signature” as the signature method.

Preparation

Before applying the signature, ensure that the preparing for signature is ready.
Please pay special attention to the following points:

Application Procedure

  1. Open the PDF you want to sign.
  2. Select [Signature] from the [Signature/Seal] menu.
  3. If the Signature Method screen is displayed, select [SKYCOM Standard Signature] as the signature method and press [OK].
    Add archive timestamp After the process of applying a signature, the process of adding an archive timestamp is automatically performed.
    Set to invisibility  Do not display the signature mark on the PDF.
    Save settings and do not show this dialog again From the next time, the Signature Method dialog will not be displayed, and the current settings will be applied automatically.
  4. Specify the placement range of the signature by dragging the mouse.
    • If you have set [Set to invisibility], skip this step.
  5. Select the certificate to use, enter the necessary information, and press [Sign].
  6. Set the graphics and the text to be displayed in the signature, and press [OK].
    • If you have set [Set to invisibility], skip this step.
  7. The Save As dialog is displayed.
    Specify the save location and file name for the PDF with the applied signature and save it.
  8. Select [Verification] from the [Signature/Seal] menu.
    Check that the status of the added signature is valid in the signature verification results and you are done.

If you have not set to add an archive timestamp, the validity period of the guarantee at this point is “the validity period of the certificate used for the signature (about 1 to 5 years)”.
If you need long-term storage and long-term guarantee of electronic documents, you need to add an archive timestamp. (See: Archive)
In addition, the next actions and their deadlines required for long-term storage and long-term guarantee can be confirmed in the [Verification] > [Verify] > [Property of signature] > [PAdES] tab.

Applying a Signature for Use in Electronic Applications to Public Institutions

This section explains how to apply a signature to a PDF for use in electronic applications to public institutions, using “SKYCOM Standard Signature” as the signature method.

Preparation

Checking Environment Settings

The application system of public institutions may not support signatures including timestamps or signatures in the CAdES profile format.When applying a signature to a PDF for use in electronic applications to public institutions, be sure to set the [Signature] tab in the preferences as follows:

When Using a Certificate Stored in a My Number Card

If you are adding a signature using an electronic certificate stored in a My Number Card (Individual Number Card), please check in advance that the following preparations are in place.

Please note that the addition of a signature using a My Number Card has been confirmed to work only in a Japanese OS environment.

When Using a Certificate Stored in an IC Card Other Than the My Number Card

If the electronic certificate you are using is stored in an IC card, please import it into the certificate store of the machine you are using.

The method of import and the necessary settings vary depending on the certificate. Please contact the institution that issued the certificate.

When adding a signature, you can use the imported certificate by selecting [Certificate Store/IC Card] as the certificate type.

When Using a Certificate File

If you have obtained the electronic certificate you are using as a file, please save it in any folder or import it into the certificate store of the machine you are using.

When adding a signature, you can use the certificate by selecting [File] or [Certificate Store/IC Card] as the certificate type.

Application Procedure

  1. Open the PDF you want to sign.
  2. Select [Signature] from the [Signature/Seal] menu.
  3. Select [SKYCOM Standard Signature] as the signature method and press [OK].
    Set to invisibility Do not display the signature mark on the PDF.
    Save settings and do not show this dialog again From the next time, the Signature Method dialog will not be displayed, and the current settings will be applied automatically.
  4. Specify the placement range of the signature by dragging the mouse.
    • If you have set [Set to invisibility], skip this step.
  5. Select the certificate to use, enter the necessary information, and press [Sign].

    When you set [JPKI] as the certificate type and operate, if the error message is displayed, please check the following.

    • Whether the IC card reader is connected to the machine being used.
    • Whether the My Number Card is inserted into the IC card reader or is being used by waving it over the reader.
    • Whether the JPKI user client software is installed.
  6. Set the graphics and the text to be displayed in the signature, and press [OK].
    • If you have set [Set to invisibility], skip this step.
  7. The Save As dialog is displayed.
    Specify the save location and file name for the PDF with the applied signature and save it.
  8. Select [Verification] from the [Signature/Seal] menu.
    Check that the status of the added signature is valid in the signature verification results and you are done.
    Signatures applied using a My Number Card cannot be verified unless they are administrative agencies such as the National Tax Agency and the Patent Office, or some private businesses certified by the Minister of Internal Affairs and Communications. Therefore, if you verify it with this product, the verification result will be displayed as “un-verifying" or "unknown”.

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